Carbureter.



C. SUMMERS.

CARBUREER.

APPLICATION FILKED SEPT. 8, 1913.

Patented June 27, l9l6.

3 SHEETS-SHEET 2** l/w/E/vo C, E. SUlVlVlERS,

CARBURETER.

APPLlcAHoN mm SEPT. 8, 1913,

risente.

canne E. sUMMnPLs; on KANsAseITY, Iif'issoUni, Assmann-To Laune-A.semaines,

on ean'rown, iraniana; Y

eannnnnrnnl.

Application filed September 8, 1,913. Serial No. 788,626.

To all l11i/wm it may concern l Be 1t known that I, CALEB E. SUMMERS,

a citizen of the 'United Sta-tes, residing at t the cylinder of a motorin measured quan- V tities, and whereby the delivery is automaticallyregulated to meet the changing requirements for varying load and speedof the motor, and varying temperature and barometric pressure. lnaccomplishing this object I have provided a carbureter, comprising ameasuring device which is operable from the crank shaft 'of the motorwith ber into the feeding disk.l c J detailed perspective ot the liquidfuel chamwhich the carbureter. used, and is under the control of atemperature,and pressure regulator, so that speed oi: the fueldelivering mechanism is controlled by speed of the motor, and also by'the temperature or pressure of the [luid medium within the' carbureter.

ln particular the invention comprises cer tain improved details ofstriuiure the preterred forms or' lwhich are illustrated .in theaccompanying drawings, 'wherein .iigure i is a view ot'fa portion of anautomobile having' a motor equipped with a carbureter constructedacciu'dinggto` my invention. Fig'. 'li is an enlarged perspective viewot' the carburetor illustrating its mountingion the motor.

tion on the line lll-lll, Fig'. ll, illustratin;r the. mechanism wherebythe 't'uel feedingr parts are actuated from the crank shaft of themotor. Fig. lV is a vcross-section on the line lV-V, Fig. il, showingthe 'fuel feeding mechanism and a part of the regulator.

Fig. V is a vertical section on the line V-V, l

Fig. IV. Fig. Vl is a detailed perspective of a portion o't the fuelteedingiV chamber showing thc intake. tor fuel from the cham- Fg. VU isa Specification of Letters Patent.

Fig. lll is a vertical sec-` raient-ea aan@ er, wie.

ber. Fig'. VIH .is aydetail' perspective of the mechanism for driving'the feed disk.`

Fig'. IX is a'vertical' sectionl on the,` line lli-IX, Fig. H, showingthe regulator and throttle'valve. Fig. X is a vertical section on theline X-XFig. IV, showing the connection between the .regulator-land thedriving n'iechanism. Fig-Klis a detail elevation ot the driving ratchetand' regulator trip. 'Referring` more in detail to the'p'arts- -ldesignates a portion oitl an automobile; having,` a motor 2 .of any4suitable"type,"but here shown as comprising a plurality7 of cylindershaving an intake manifold '3 and' exhaust manifold i; the vehicle Iandvniotoibeing illustrated merely to show thecombination and use. ot the'carburetor without the idea ot limitingr -suclr combination and use toa vehicle or a motor ot any particular type, as the improvemeuts arevadapted for use `with motors oi. dillerent` types and particu? larlywith aerialI motors, becausef` ofj'this susceptibilicv to -automaticregulation for variations in temperature and 'barometric pressure. v\.slbett.er results may be` obtained when the liquid, from which' thefuel'vapor is gencrated4` is heated prior to itsentrance into themotor'. l provide a heater loi" any suitable type, through. whichfronrthe exhaust mauitoldare delivered,tofheat the liquid prior to itsdelivery to the mixer, and liuterpose this clement between fthemeasurin; device and a mixer, in order that meas ured quantities ofliquid may be passed through thel heater after the iuel has beenmeasured and prior toA its `ultimate vaporiza tion. 1.

rl`he measuring` device comprises va easing (i. which is suitablymounted` adjacent the motor and heater, and incloscs a chamber 7 -lorthe drivin(Y mechanism and sexarate n a eoI llO

ing chamber 7 the inner end of the shaft being journaled in a socket l5in a boss 16 on the outer end of the regulator shaft 17. Fixed on theshaft 13, by means of a key 19, which is carried on said shaft and lothedisk is provided with pockets 2d which are adapted for travel pastrecesses in the inner face of a centering disk 25 on the` plate l0, sothat liquid fuel contained within said chamber may fill the pockets, andfor travel along and in close contact with bosses 27 on the face of thedisk,V so that when the pockets are iilled and the disk is ree volvedtheliquid fuel may be trapped in said pockets and carried to an outletport 26 in the plate 10.

The plate l0 is provided with a boss 28, having a. conduit 29communicating with the outlet port from the measuring chamber, and witha conduit 30 having an outer end 3l opening to the atmosphere, and aninner end lying adjacent the outlet port ofthe measuring chamber, sothat suction through the tube 33 that connects the conduit 29 with theheater, and through various other conduits and chambers with the intakemani fold will 'draw liquid from the pockets 24 as the latter registerwith the outlet port, together with the air which enters through theopen conduit 3l) and communicates with the disk pockets, in order toenable the pockets to empty by suction in the discharge conduit.

As air from the open conduit 30 will be carried over into the feedingchamber, and, when accumulated therein, exert pressure on the liquidwhich might interfere with the proper feeding from the supply, I providemounted on an intake nipple Bf) on the bottom of the head 9, and? has achannel Ll-l) opening into the lower portion of the feeding chamber.

y 'lhe acluatiug' mechanism for revolving the. Feeding disk comprises aratchet wheel 42, which is fixed on the shaft 13 within the chamhe" 7,and is adapt'- ,l for actuation by pawls 4215 (Figs. lll and Xl), whichare pirotally mounted on the ends ofthe arms H that are in turnpivote-ily mounted on meeste the shaft 13 and provided with collars d5,whereby they are held against the ratchet wheel.

lllhe pawls Ll are arranged oppositely, an d are adapted for alternateengagement with pawl carrying the ratchet forward, while the othersimultaneously 4slides backward over the teeth.

The means for actuating the arms ist comprises links 50, the forwardends of which are pivotally connected with the arms il and the rear endsthereof with opposite ends 4of a block 5l, which is threaded on to theforward end of a plunger 52. The plunger 52 extends through-an aperture53 in the rear of the casing G into a socket in the neck 55, whereby thecase is mounted on the crank case of the motor, and through an aperture5G in the crank case into contact with an eccentric 57 on the cam shaftof the motor, the inner end of the plunger being provided with a head 59for bringing the bearing surface against the cam. The outer end of theplunger is reduced to form a shoulder 60, and seated against saidshoulder and against the base of the socket 54.-v is a coil spring 6l,whereby the plunger is held in contact with the cam and against which itis lnwanled by said cam to advance the arms ed and carry the pawls overthe ratchet wheel.

lt is apparent that, with the mechanism described, the measuring diskwill travel at a speed directly proportional to the speed of the motor.as-it is actuated from the crank shaft of the motor.

Alfter the liquid fuel has been delivered to the heater, as described,it passesthrough the heater and is delivered therefrom into a conduitG3, through which it is conducted to a combined mixer and throttle Gel.prei erably con'lprising a cone-shaped housing (i5, having a port GGcommunicating with the conduit (33 and an air port G7. lievolublymounted within the housing is a conesha} ed valve (38, having ports ($9and 70 adapted for registration with the ports (S6 and respectively, andhaving a stem '71 extended through an aperture 72 in the base of thehousing and connected, by any suitable means not shown). with anordinary throttle lever. ,i

The housing- S5 is mounted on a sleeve 'lthat depends 'from a case 75containing thlfe llO l. iii

' ingly tensioning said pauls to actuate with the ratchet member, aplungerliaving a hea d member pivotally 'connected with said arms,means" 'for actuating the plunger, whereby tlieviatchet member is drivenat both the for- ='\vard and ,backward i'eciprocation of the plunger,and a regi'ilator for determining the eiiective 'engagen'ient of saidpaivls and r atchety member.

8. A carluireter comprising a casing having a mixing chamber and a fuelmeasuring device, means for actuating said fuel measuring device, anexpansion member operable upon variation ci the temperature and pressureof its surrounding media, a sleeve separating the expansion member fromthe mixing chamber, means for indirectly connecting said mixing chamberWith the interior of said sleeve, means for conducting fuel troni themeasuring device to aid mixing chamber and means operable by saidexpansible meniber for controlling the means whereby said measuringdevice is actuated.

9. A carburetor comprising a casing having a. mixing chamber and a. fuelmeasuring device, means for actuating said 'fuel measuring device, asleeve located in said mixing chamber, means for indirectly connectingthe interior of said sleeve with said mixing chamber', an expansionmember locatediivithin said sleeve and operable from the temperature anopressure of the media Within the sleeve, means for conducting fuel fromthe measuring device to sait. mixin'g chamber, an automatic valve forsupplying air to said mixing chamber, and means operable by saidexpansible member for controlling` the means whereby said measuringdevice is actuated.

10. A carbureter comprising a fuel measuring device,'nieans foractuating said device, a Atripmember for controlling said actuatingmeans, a lever arm operatively connected- Wit-h said trip member andprovided with a slot, a. pivoted arm having a pin. slidably mounted insaid slot, and an expansible regulator operatively connected with saidpivoted arm and adapted for actuation by the variations in temperatureand pressure of the local external media- 11. A carbureter comprising afuel mmsuring device, means for actuating` said device., a trip memberJr'or controlling said actuating;

means, a lever arm operatively connected with said trip member andprovided with a slot, a pivoted arm having a pm slidably mounted in saidslot, and a temperature and f pressure controlled regulator operativelyconnected ivitli said pivoted arm.

12. The combination with a motor havingF a suitable intake, of acarburetor comprising a casing having separate chambers, a

, liuid measuring mechanism contained Within one of said chambers, aregulator con-V tained within another chamber and adapted for actuation'by variations in temperature and dpressure of the local external media;mea-ns for conducting fuel from the measuring device around theregulator chamber, a

'tortuous conduit connecting said fuel conduit with the interior of theregulator chain` ber, means for actuating said measuring olelvice, andmeans connected'with said regulator for controlling said actuatingmeans.

13. The combination with a. motor having a suitable intake, olacarburetor compris- .ing a` fluid fuel measuring device, a. regulatorchamber having a conduit therearound leading to the motor intake,'andlia-ving a tortuous pipe communicating With said conduit, an extensionon said conduit provided with separate fue] and air-intake ports, a`valve located Within said extension and 'having ports adapted forcommunication with' the extension ports, means for actuating said valve,a iiuid fuel measuring device, a conrduit leading from the' measuringdevice to lthe fuel intake port in said extension, and

a regulator contained within the regulator chamber and operable from thetemperature and pressure of the media in said chamber and adapted torcontrolling actuation of the measuringv device. i

14. A carburetor comprising a fuel incasuring device, means foractuating said device, a trip member for cont-rolling said actuati ng`means, a lever arm operatively connected with said trip member, anexpansible regulator adapted for actuation by the variations intemperature Aand pressurey oi" the local ex-- tei-nal media, and asecond lever connected 'with said regulator and having pin and slotconnection with said first lever operating in direct proportion to therate of expansion oit the regulator.

15. A carbureter comprising separate regulator and n'ieasuring chambers,an eX- pansible regulator in said regulator chamber adapted foractuation by variations in the temperature vand pressure ol' thesurrounding niedia, a fluid measuring device in said measuring chamber,means for actuatingy said device, a trip member for controlling saidactuating means7 a lever arm operatively connected with said trip memberand having a slot conforming to the ite ot' expansion oii saidexpansible'regulater, and .a second lever having a pin slidably mountedin said slot and operatively connected with said regulator, for the purpose set forth. y

16. A carbureter comprising a fluid fuel measuring chamber having an airvent in its upper part, a boss proj ectin'g into said chain-s ber andhaving adjacent air inlet and fuel outlet ports, a disk having aplurality of pockets adapted for travel past said ports and in closeContact with said boss to close said ports relative to said air vent,means for revolving said disk, and a temperature and pressure controlledregulator 'for governing the speed of said disk. 17. The combination`zvith a motor having a suitable intake manifold, oi' a carburetercomprising a fluid fuel measuring chamber, a boss projecting into saidchamber and having air intake and fuel outlet ports, a tube connectingthe fuel outlet port with the intake manifold of the motor, a throttlein said intake manifold for varying the absolute pressure therein, adisk governed by the absolute pressure in the intake manifold andrevolubly mounted in said measuring cham- ,ber and having a plurality offuel pockets adapted for travel past said air inlet and fuel outletports, whereby the fuel in said' :maaar/a inlet-port and exhaustedthrough said fuel outlet port by virtue of the connection of the latterwith the intake manifold of the motor.

18. The combination with a motor having a suitable intake manifold, of acarbureter comprising a fluid measuring chamber, Huid measuring devicein said chamber, means for actuating said measuring' device, a regulatorchamber, aregulator in saidregula'tor chamber adapted for actuation fromthe temperature and pressure of the surround' Witnesses:

R, F. THOMAS, L. E. Gears.

pockets is displaced by air from said air

